74327861713 has 6 divisors (see below), whose sum is σ = 86463022866. Its totient is φ = 63709595712.

The previous prime is 74327861693. The next prime is 74327861717. The reversal of 74327861713 is 31716872347.

It can be written as a sum of positive squares in only one way, i.e., 73307187009 + 1020674704 = 270753^2 + 31948^2 .

It is not a de Polignac number, because 74327861713 - 2⁵ = 74327861681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 1516895137 = 74327861713 / (7 + 4 + 3 + 2 + 7 + 8 + 6 + 1 + 7 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74327861717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 758447520 + ... + 758447617.

It is an arithmetic number, because the mean of its divisors is an integer number (14410503811).

Almost surely, 2^74327861713 is an apocalyptic number.

It is an amenable number.

74327861713 is a deficient number, since it is larger than the sum of its proper divisors (12135161153).

74327861713 is a wasteful number, since it uses less digits than its factorization.

74327861713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516895151 (or 1516895144 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 49.

The spelling of 74327861713 in words is "seventy-four billion, three hundred twenty-seven million, eight hundred sixty-one thousand, seven hundred thirteen".